Home / 55,129.46-76,080.21-32,469.98

Finding the Fourth Proportional to 55,129.46, 76,080.21 and 32,469.98

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Solution

The fourth proportional to 55,129.46, 76,080.21 and 32,469.98 is: 44,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,129.46 : 76,080.21 = 32,469.98 : x
  2. Step 2: Convert to fraction form
    55,129.46/76,080.21 = 32,469.98/x
  3. Step 3: Cross multiply
    55,129.46x = 76,080.21 × 32,469.98
  4. Step 4: Simplify right side
    55,129.46x = 2,470,322,897.10
  5. Step 5: Solve for x
    x = 2,470,322,897.10/55,129.46
  6. Step 6: Final answer
    x = 44,809.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.